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Portable Oxygen Analyzer Teledyne Analytical Instruments i OPERA TING & SER VICE INSTRUCTIONS FOR AX300-I P ORTABLE O XYGEN A NALYZER 0086 TYPE B EQUIPMENT: Equipment providing a particular degree.
AX300-I Teledyne Analytical Instruments ii Copyright © 2002 Teledyne Analytical Instruments All Rights Reserved No part of t his ma nual may be re produced, t ransmitt ed, transcribe d, stored in a r.
Portable Oxygen Analyzer Teledyne Analytical Instruments iii About This Manual The AX300-I Operator's Manual pr ovides both introductory and detailed information for configuri ng and operating these instruments. The manual takes you from the tim e you unpack the instrument until you complete the first gas analysis.
AX300-I Teledyne Analytical Instruments iv Safety Messages Your safety and the safety of ot hers are very important. Please carefully read the following safety m essages. Safety message are indented to aler t the user of potential hazards. Each safety message is associated with a safety alert symbol.
Portable Oxygen Analyzer Teledyne Analytical Instruments v T able of Content s Safety Me ssages .......................................................................... iv List of Fi gures.............................................................
AX300-I Teledyne Analytical Instruments vi 2.3.5 Anesthetic Gases 25 2.3.5.1 Gases That Induce Reading Error 25 2.3.5.2 Care After Use in Nitrous Oxide 27 2.3.6 Cleaning 28 2.4 Do’s and Don’ts 28 Service Ma nual ...................................
Portable Oxygen Analyzer Teledyne Analytical Instruments vii List of Figures Figure 1-1: AX300 Front View ......................................................... 9 Figure 2-1: Installing the R17MED Sensor .................................... 15 Figure 2-2: Sensor Cable Connection to Analyzer .
AX300-I Teledyne Analytical Instruments viii List of T ables Table 2-1: Oxygen Reading Error in a Mixture of Anesthetic Gas . 27 Table 3-1: Oxygen Reading Error in a Mixture of Anesthetic Gas . 35 Table 3-2 Troubl eshooting ...........................
Portable Oxygen Analyzer Introduction Teledyne Analytical Instruments 9 Introduction The Teledyne Analytical Instru ments AX300-I Oxygen Analyzer here after referred to as AX300-I is a portable instrument that provides fast and accurate oxygen analysis.
Introduction AX300-I Teledyne Analytical Instruments 10 The instrument is powered by th ree AA alkaline batteries and is designed to operate for 2000 hour s in Non-alarm State. Oxygen analysis is linear across the single range of 0-100% using Teledyne’s class R17MED oxygen sens or.
Portable Oxygen Analyzer Introduction Teledyne Analytical Instruments 11 • Microprocessor controlled • Sensor fail/disconnect alarm indicator (audible and visual) • Alarm silence button • 2000.
Introduction AX300-I Teledyne Analytical Instruments 12 1.4 Applications The AX300-I analyzers is intended for spot checking concentration of oxygen in a gas mixtures used in medical applications such as Anesthesia, Respiratory therapy and is intended for adult, pediatric and Neonatal populations.
Portable Oxygen Analyzer Introduction Teledyne Analytical Instruments 13 the sensor. The diverter, packaged separately when shipped, is necessary when the tee adapter is used to sample gas flowing through a tube.
Operation AX300-I Teledyne Analytical Instruments 14 Operation Note: Upon receipt, INSPECT THE ENTIRE UNIT FOR DAMAGE. Check the unit and a ll included accessories for broken or loose parts. If damaged, DO NOT USE. Notify the shipper, and consult Teledyne Analytical Instruments.
Portable Oxygen Analyzer Operation Teledyne Analytical Instruments 15 2.1.1 Sensor Installation or Replacement Note: The R17MED oxygen sensor must be installed before the oxygen analyzer/analyzer can be operated 1. Remove the new sensor from its protective bag.
Operation AX300-I Teledyne Analytical Instruments 16 Figure 2-2: Sensor Cable Connection to Analyzer Note: When the AX300-I instrument is used for diffusion sampling (i.e., incubators, tent s, etc.), the plastic flow diverter must be removed from the R17MED sensor.
Portable Oxygen Analyzer Operation Teledyne Analytical Instruments 17 2.1.2. 1 V-M OUNT A DAPTER I NSTALLATION The V-Mount Adapter consists of a matching plastic plate with integral V-grooves that attach to the rear of the instrument.
Operation AX300-I Teledyne Analytical Instruments 18 1. Turn the unit off (if it is on). 2. Hold the instrument face down in the palm of your hand. Use a coin to pry up the latch that secures the battery compartment door. Remove the battery compartm ent door.
Portable Oxygen Analyzer Operation Teledyne Analytical Instruments 19 keys except the CAL and ON/OFF ( I/O ) keys are inoperable until a successful calibration is achieved. 5. Note the battery display located below the oxygen readout display. It continuously shows a bar graph of the remaining life to the batteries.
Operation AX300-I Teledyne Analytical Instruments 20 5. Wait about 20 seconds to insure the sample line is completely purged with the calibration gas. Press the CAL key. The LCD will count down from 9 to 0. During this tim e the microprocessor is measuring th e sensor output to determine the gas concentration an d selects the calibration range i.
Portable Oxygen Analyzer Operation Teledyne Analytical Instruments 21 2.1.5 Output 0-1 VDC or RS232 The AX300-I Portable Oxygen Analyzer provides signal outputs for use with recorders and computers. These ins truments are supplied standard with a 0-1 VDC output.
Operation AX300-I Teledyne Analytical Instruments 22 1. Remove the batteries and remove the five screws that hold the case together. 2. Remove the rear case section leavi ng the PCB in the front half of the case. 3. Remove jumper at position JP3 and reinstall it at position JP7.
Portable Oxygen Analyzer Operation Teledyne Analytical Instruments 23 BACKPRESSURE OR RESTRI CTION TO FLOW. ERRORS IN READINGS WILL RES ULT IF THIS IS NOT FOLLOWED. THE OXYGEN SENSOR IS A NON-STERILE DEVICE AND SHOULD BE USED IN CONJ UCTION WITH AN ANTIBACTERIAL FILTER.
Operation AX300-I Teledyne Analytical Instruments 24 2.3 Gas Sampling 2.3.1 Humidity Humidity does not directly affect the accuracy of the sensor's measurement. However, when a nebulizer or other device is used to increase moisture levels in gas m ixtures, the moisture actually dilutes the mixture.
Portable Oxygen Analyzer Operation Teledyne Analytical Instruments 25 It is recommended that the unit be calib rated prior to each use or every 8 hours.
Operation AX300-I Teledyne Analytical Instruments 26 magnitude of this error will de pend upon the lev el of oxygen and the duration of exposure. The anesthetic agents listed in the following table (H.
Portable Oxygen Analyzer Operation Teledyne Analytical Instruments 27 Table 2-1: Oxygen Reading Error in a Mixture of Anesthetic Gas Gas or Vapor Level (Balance: Mixture of 30% O 2 / 70% N 2 O, except.
Operation AX300-I Teledyne Analytical Instruments 28 oxygen reading continues to drop after each use in nitrous oxide the sensor should be removed from service.
Portable Oxygen Analyzer Operation Teledyne Analytical Instruments 29 • Recalibrate after replacing the senso r. • Use properly installed alkaline batteries only. • Make sure the R17MED sens or is properly attached. • Remove the plastic flow diverter only when using the tee adapter.
Operation AX300-I Teledyne Analytical Instruments 30 BLANK.
Portable Oxygen Analyzer Service Manual Teledyne Analytical Instruments 31 Service Manual 3.1 General Service Information The Teledyne Model AX300-I portable oxygen analyzer is designed to be robust yet c ompact in size.
Service Manual AX300-I Teledyne Analytical Instruments 32 Excessive alarm activation will wear down the battery f aster than usual. The minimum detectable change in battery voltage corresponds to an increment of about 50 hours, meaning that the battery voltage reading may not change for several hours at a time.
Portable Oxygen Analyzer Service Manual Teledyne Analytical Instruments 33 3.6 Gas Sampling 3.6.1 Humidity Humidity does not directly affect the accuracy of the senso r's measurem ent. However, when a nebulizer or other device is used to increase moisture levels in gas mixtures, the moisture actually dilu tes the mixture.
Service Manual AX300-I Teledyne Analytical Instruments 34 When the sensor is connected to a ventilator circuit, th e alternating “breathing” pressure cycles generated by the ventilator will be sensed as an increase in the oxygen percentage (especially if the sensor is fast enough to sense the changes, as is the R17MED).
Portable Oxygen Analyzer Service Manual Teledyne Analytical Instruments 35 oxygen / 70% nitrous oxide, and the resulting drops in oxygen level after an exposure of approximately two hours were noted. Exposures in excess of tw o hours may produce slightly greater errors.
Service Manual AX300-I Teledyne Analytical Instruments 36 3.6.5.2 C ARE A FTER U SE IN N ITROUS O XIDE CAUTION: THE R17MED SENSOR SHOULD NOT BE LEFT IN NITROUS OXIDE MIXTURES ANY LONGER THAN ABSOLUTELY NECESSARY. After exposure to nitrous oxide mixtures , the sensor should be left in 100% oxygen overnight (e.
Portable Oxygen Analyzer Service Manual Teledyne Analytical Instruments 37 adapter to prevent back filling. O2 flow rate should not exceed 5 l/min. C) Oxygen concentration at the sensor is significantly higher than 21%. Take the instrument to a well- ventilated area and check the reading again.
Service Manual AX300-I Teledyne Analytical Instruments 38 concentra tion of O2 is in excess of 40% , calibration with 100% is recommended. C) If humidified gas is used to ventilate the patient, water vapor actually dilutes the gas. See Appendix: Humidity, Temperature.
Portable Oxygen Analyzer Service Manual Teledyne Analytical Instruments 39 Note: In the event that none of these pr ocedures produce desired results, remove the batteries and return the unit to Teledyne for repair. 3.8 W atchdog The AX300-I is equipped with a watchdog ci rcuit that continuous ly analyzers the electronics for proper operati on.
Service Manual AX300-I Teledyne Analytical Instruments 40 6 (5) 6 (There is no indication of which key is stuck) A stuck key has been detected. The second digit example (5) on the display shows which .
Portable Oxygen Analyzer Appendix Teledyne Analytical Instruments 41 a problem with your instrument to Tele dyne Customer Service. If an error code is indicated on your analyzer record the numbe r and report it to the Customer Service Department at the address below.
Appendix AX300-I Teledyne Analytical Instruments 42 Expected Life: 36 months in air. (10 months when continuously exposed to 100% oxygen) Dimensions: 2.5" W × 1.25" D × 4.5" H (66 mm x 33- mm × 111.5 mm) Sensor Cable: Retracted: 2 ft / Extended: 10 ft.
Portable Oxygen Analyzer Appendix Teledyne Analytical Instruments 43 A.2 S p are Part s List QTY PART NO DESCRIPTION 1 C43690-R17MED Micro-Fuel Cell R17MED with flow diverter P/N A50057 3 B99 “AA”.
Appendix AX300-I Teledyne Analytical Instruments 44 the instrument for which the parts are intended. Orders should be sent to: TELEDYNE Analytical Instruments 16830 Chestnut Street City of Industry, CA 91749-1580 Phone (626) 934-1500, Fax (626) 961-2538 Web: www.
Portable Oxygen Analyzer Appendix Teledyne Analytical Instruments 45 BLANK.
Appendix AX300-I Teledyne Analytical Instruments 46 Index accessories, 46 accuracy, 45 address, 43, 47 ALARM SILENCE bu tton, 10, 13, 15 amplifi cation, 13 analog output , 22 analysis range, 10, 45 an.
Portable Oxygen Analyzer Index Teledyne Analytical Instruments 47 thermal tracking error, 26, 35 thermistor, 2 5, 35 troublesho oting, 38 type B equipm ent, i ventilator, 26, 36 warranty, ii watchdog .
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